The mean and standard deviation of the scores are 75 and 9.5 respectively.
The z-score is a means to find the probability of getting a particular score. This is calculated to be:

where x is the score, μ is the mean, and σ is the standard deviation.
To be a part of the top 2.5 percent, the probability is:

The z-score for this probability, that is, P
Answer:

Step-by-step explanation:
If the point Q that is located two over three the distance from point P to point R, then PQ:QR=2:3.
Use formula to find the coordinates of the point Q:

In your case, P(-2,7) and R(1,0), then

The number of all divisors of 6 <span>
6 multiples of the number 18 we find one of
so the answer is 18
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C) m = 8h
In the model, Kevin is earning $8 per hour he works.
Answer:
x<1.5
explanation: move 4 to other side subtract it with 26.5 then divide it by 15